Home / 12,238,431.20-18,371,789.40-6,569,727.20

Finding the Fourth Proportional to 12,238,431.20, 18,371,789.40 and 6,569,727.20

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Solution

The fourth proportional to 12,238,431.20, 18,371,789.40 and 6,569,727.20 is: 9,862,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,431.20 : 18,371,789.40 = 6,569,727.20 : x
  2. Step 2: Convert to fraction form
    12,238,431.20/18,371,789.40 = 6,569,727.20/x
  3. Step 3: Cross multiply
    12,238,431.20x = 18,371,789.40 × 6,569,727.20
  4. Step 4: Simplify right side
    12,238,431.20x = 120,697,644,533,851.67
  5. Step 5: Solve for x
    x = 120,697,644,533,851.67/12,238,431.20
  6. Step 6: Final answer
    x = 9,862,182.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.